remember, the barak obama who introduced himself to the american people in 2004 in boston, young, dark hair, hopeful, optimistic, is completely different from the barak obama who sat, president barak obama who sat before chris matthews. >> that being said, he's still, if you go back to that 2004 key note address in boston, the same, you will hear the same barak obama who is president now. there is a consistency there. >> every president in a way seems to have greyer hair and thick thin i skin. >> the elizabeth warren wing is under attack. it is not from senate republicans. that's next. while a body in motion tends to stay in motion. staying active can actually ease arthritis symptoms. . >> in the wake of the 2008 economic crisis, a harvard law professor had the idea to create a federal agency that would protect consumers against unfair business practices to keep people from being taken advantage of in ways that had the potential to sink the american economy all over again. after president obama announced he liked the idea of that federal agency and he wanted that harvard professor to l